From d1d08437a913eca5f047ab693e38f5f7fe513a85 Mon Sep 17 00:00:00 2001
From: "Philip H." <47042125+pheiduck@users.noreply.github.com>
Date: Tue, 30 Jul 2024 18:39:09 +0200
Subject: [PATCH] Dockerfile: fix build for specific arch

---
 Dockerfile | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index 57cb478d..2a4081fc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,8 +2,20 @@
 # nodejs 20 hangs on build with armv6/armv7
 FROM docker.io/library/node:18-alpine AS build_node_modules
 
+# Set the platform to build image for
+ARG TARGETPLATFORM
+ENV TARGETPLATFORM=${TARGETPLATFORM:-linux/amd64}
+
+# Install additional tools needed if on arm64 / armv7 / armv6
+RUN \
+  case "${TARGETPLATFORM}" in \
+  'linux/arm64') apk add --no-cache python3 make g++ ;; \
+  'linux/arm/v7') apk add --no-cache python3 make g++ ;; \
+  'linux/arm/v6') apk add --no-cache python3 make g++ ;; \
+  esac
+
 # Update npm to latest
-RUN npm install -g npm@latest node-gyp
+RUN npm install -g npm@latest
 
 # Copy Web UI
 COPY src /app